This is the 912th most frequent Hindi word.
बद
Bad, evil, or wicked.
In this context, 'बद' conveys 'bad' or unfavourable.
उसके व्यवहार में कोई बद बदलाव नहीं आया।
No bad change occurred in his behavior.
Here, 'बद' refers to 'bad' in a comparative manner.
बद से बदतर हालात हो रहे हैं।
The situation is going from bad to worse.
Here, 'बद' is used to mean 'evil' or 'malicious'.